<template>
  <div class="app-container">
    <el-card class="filter-container" shadow="never">
      <div>
        <i class="el-icon-search"></i>
        <span>筛选搜索</span>
        <el-button
          style="float:right"
          type="primary"
          @click="handleSearchList()"
          size="small">
          查询搜索
        </el-button>
        <el-button
          style="float:right;margin-right: 15px"
          @click="handleResetSearch()"
          size="small">
          重置
        </el-button>
      </div>
      <div style="margin-top: 15px">
        <el-form :inline="true" :model="listQuery" size="small" label-width="140px">
          <el-form-item label="广告名称：">
            <el-input v-model="listQuery.name" class="input-width" placeholder="广告名称"></el-input>
          </el-form-item>
          <el-form-item label="广告位置：">
            <el-select v-model="listQuery.type" placeholder="全部" clearable class="input-width">
              <el-option
                v-for="item in typeOptions"
                :key="item.value"
                :label="item.label"
                :value="item.value">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="到期时间：">
            <el-date-picker
              class="input-width"
              v-model="listQuery.endTime"
              value-format="yyyy-MM-dd"
              type="date"
              placeholder="请选择时间">
            </el-date-picker>
          </el-form-item>
        </el-form>
      </div>
    </el-card>
    <el-card class="operate-container" shadow="never">
      <i class="el-icon-tickets"></i>
      <span>数据列表</span>
      <el-button size="mini" class="btn-add" @click="handleAdd()">添加广告</el-button>
    </el-card>
    <div class="table-container">
      <el-table
        ref="homeAdvertiseTable"
        :data="list"
        style="width: 100%;"
        @selection-change="handleSelectionChange"
        v-loading="listLoading"
        border>
        <el-table-column type="selection" width="60" align="center"></el-table-column>
        <el-table-column label="编号" width="120" align="center">
          <template slot-scope="scope">{{ scope.row.id }}</template>
        </el-table-column>
        <el-table-column label="广告名称" align="center">
          <template slot-scope="scope">{{ scope.row.name }}</template>
        </el-table-column>
        <el-table-column label="广告位置" width="120" align="center">
          <template slot-scope="scope">{{ scope.row.type | formatType }}</template>
        </el-table-column>
        <el-table-column label="广告图片" width="120" align="center">
          <template slot-scope="scope"><img style="height: 80px" :src="scope.row.pic"></template>
        </el-table-column>
        <el-table-column label="时间" width="220" align="center">
          <template slot-scope="scope">
            <p>开始时间：{{ scope.row.startTime | formatTime }}</p>
            <p>到期时间：{{ scope.row.endTime | formatTime }}</p>
          </template>
        </el-table-column>
        <el-table-column label="上线/下线" width="120" align="center">
          <template slot-scope="scope">
            <el-switch
              @change="handleUpdateStatus(scope.$index, scope.row)"
              :active-value="1"
              :inactive-value="0"
              v-model="scope.row.status">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="点击次数" width="120" align="center">
          <template slot-scope="scope">{{ scope.row.clickCount }}</template>
        </el-table-column>
        <el-table-column label="生成订单" width="120" align="center">
          <template slot-scope="scope">{{ scope.row.orderCount }}</template>
        </el-table-column>
        <el-table-column label="操作" width="120" align="center">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              @click="handleUpdate(scope.$index, scope.row)">编辑
            </el-button>
            <el-button
              size="mini"
              type="text"
              @click="handleDelete(scope.$index, scope.row)">删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="batch-operate-container">
      <el-select
        size="small"
        v-model="operateType"
        placeholder="批量操作">
        <el-option
          v-for="item in operates"
          :key="item.value"
          :label="item.label"
          :value="item.value">
        </el-option>
      </el-select>
      <el-button
        style="margin-left: 20px"
        class="search-button"
        @click="handleBatchOperate()"
        type="primary"
        size="small">
        确定
      </el-button>
    </div>
    <div class="pagination-container">
      <el-pagination
        background
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        layout="total, sizes,prev, pager, next,jumper"
        :page-size="listQuery.pageSize"
        :page-sizes="[5,10,15]"
        :current-page.sync="listQuery.pageNum"
        :total="total">
      </el-pagination>
    </div>
  </div>
</template>
<script>
import { fetchList, updateStatus, deleteHomeAdvertise } from '@/api/homeAdvertise'
import { formatDate } from '@/utils/date'
const defaultListQuery = {
  pageNum: 1,
  pageSize: 5,
  name: null,
  type: null,
  endTime: null
}
const defaultTypeOptions = [
  {
    label: 'PC首页轮播',
    value: 0
  },
  {
    label: 'APP首页轮播',
    value: 1
  }
]
export default {
  name: 'HomeAdvertiseList',
  data () {
    return {
      listQuery: Object.assign({}, defaultListQuery),
      typeOptions: Object.assign({}, defaultTypeOptions),
      list: null,
      total: null,
      listLoading: false,
      multipleSelection: [],
      operates: [
        {
          label: '删除',
          value: 0
        }
      ],
      operateType: null
    }
  },
  created () {
    this.getList()
  },
  filters: {
    formatType (type) {
      if (type === 1) {
        return 'APP首页轮播'
      } else {
        return 'PC首页轮播'
      }
    },
    formatTime (time) {
      if (time == null || time === '') {
        return 'N/A'
      }
      const date = new Date(time)
      return formatDate(date, 'yyyy-MM-dd hh:mm:ss')
    }
  },
  methods: {
    handleResetSearch () {
      this.listQuery = Object.assign({}, defaultListQuery)
    },
    handleSearchList () {
      this.listQuery.pageNum = 1
      this.getList()
    },
    handleSelectionChange (val) {
      this.multipleSelection = val
    },
    handleSizeChange (val) {
      this.listQuery.pageNum = 1
      this.listQuery.pageSize = val
      this.getList()
    },
    handleCurrentChange (val) {
      this.listQuery.pageNum = val
      this.getList()
    },
    handleUpdateStatus (index, row) {
      this.$confirm('是否要修改上线/下线状态?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        updateStatus(row.id, { status: row.status }).then(response => {
          this.getList()
          this.$message({
            type: 'success',
            message: '修改成功!'
          })
        })
      }).catch(() => {
        this.$message({
          type: 'success',
          message: '已取消操作!'
        })
        this.getList()
      })
    },
    handleDelete (index, row) {
      this.deleteHomeAdvertise(row.id)
    },
    handleBatchOperate () {
      if (this.multipleSelection < 1) {
        this.$message({
          message: '请选择一条记录',
          type: 'warning',
          duration: 1000
        })
        return
      }
      const ids = []
      for (let i = 0; i < this.multipleSelection.length; i++) {
        ids.push(this.multipleSelection[i].id)
      }
      if (this.operateType === 0) {
        // 删除
        this.deleteHomeAdvertise(ids)
      } else {
        this.$message({
          message: '请选择批量操作类型',
          type: 'warning',
          duration: 1000
        })
      }
    },
    handleAdd () {
      this.$router.push({ path: '/sms/addAdvertise' })
    },
    handleUpdate (index, row) {
      this.$router.push({ path: '/sms/updateAdvertise', query: { id: row.id } })
    },
    getList () {
      this.listLoading = true
      fetchList(this.listQuery).then(response => {
        this.listLoading = false
        this.list = response.data.list
        this.total = response.data.total
      })
    },
    deleteHomeAdvertise (ids) {
      this.$confirm('是否要删除该广告?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        const params = new URLSearchParams()
        params.append('ids', ids)
        deleteHomeAdvertise(params).then(response => {
          this.getList()
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
        })
      })
    }
  }
}
</script>
<style scoped>
  .input-width {
    width: 203px;
  }
</style>
